X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fstatistics-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fstatistics%2Fmanager%2FNodeConnectorStatsTracker.java;h=00bd27402fc3c45c82f0f9d06c8a5a562ea76a97;hb=721b580748cb93b3dac952ff1f111d0ab0da0c79;hp=83d9da13f05c83eb7a3971e5152b0116ba78f7ac;hpb=fd3193d2efe85828156e6a670b5c06a0ea485a98;p=controller.git

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeConnectorStatsTracker.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeConnectorStatsTracker.java
index 83d9da13f0..00bd27402f 100644
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeConnectorStatsTracker.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/NodeConnectorStatsTracker.java
@@ -8,7 +8,6 @@
 package org.opendaylight.controller.md.statistics.manager;
 
 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey;
@@ -22,16 +21,13 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.ListenableFuture;
-
 final class NodeConnectorStatsTracker extends AbstractStatsTracker<NodeConnectorStatisticsAndPortNumberMap, NodeConnectorStatisticsAndPortNumberMap> {
     private static final Logger logger = LoggerFactory.getLogger(NodeConnectorStatsTracker.class);
     private final OpendaylightPortStatisticsService portStatsService;
 
     NodeConnectorStatsTracker(final OpendaylightPortStatisticsService portStatsService, final FlowCapableContext context, long lifetimeNanos) {
         super(context, lifetimeNanos);
-        this.portStatsService = Preconditions.checkNotNull(portStatsService);
+        this.portStatsService = portStatsService;
     }
 
     @Override
@@ -77,10 +73,12 @@ final class NodeConnectorStatsTracker extends AbstractStatsTracker<NodeConnector
         return item;
     }
 
-    public ListenableFuture<TransactionId> request() {
-        final GetAllNodeConnectorsStatisticsInputBuilder input = new GetAllNodeConnectorsStatisticsInputBuilder();
-        input.setNode(getNodeRef());
+    public void request() {
+        if (portStatsService != null) {
+            final GetAllNodeConnectorsStatisticsInputBuilder input = new GetAllNodeConnectorsStatisticsInputBuilder();
+            input.setNode(getNodeRef());
 
-        return requestHelper(portStatsService.getAllNodeConnectorsStatistics(input.build()));
+            requestHelper(portStatsService.getAllNodeConnectorsStatistics(input.build()));
+        }
     }
 }